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July 6th, 2026 :: 3:35 am CDT   

Local Weather Report for
Decatur
Illinois, United States

 Current Decatur Weather Conditions Updated July 6th at 2:54 am 
Temperature:70°F Dew Point:66°F
Barometer:30.01 inHg Wind:N 9 Mph
Humidity:88.3% Visibility:0M
 
 Decatur Weather Forecast Summary  
 
Today
Jul 6th
Tuesday
Jul 7th
Wednesday
Jul 8th
Thursday
Jul 9th
Friday
Jul 10th
Mostly Sunny Mostly Sunny Mostly Sunny Thundershowers Thundershowers
79°F
81°F
65°F
83°F
66°F
86°F
69°F
84°F
70°F
 
 Decatur Detailed Weather Forecast  
 
Monday, July 6th, 2026
Overnight Temperature: 66°F
Clear.
Morning Temperature: 71°F
Sunny with cloudy periods. Slight chance of a thunderstorm.
Afternoon Temperature: 79°F
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 72°F
Mostly clear with a chance of showers or thundershowers.
Tuesday, July 7th, 2026
Overnight Temperature: 65°F
Mostly clear.
Morning Temperature: 71°F
Mostly sunny.
Afternoon Temperature: 81°F
Mostly sunny. Slight chance of a thunderstorm.
Evening Temperature: 74°F
Clear. Chance of a thunderstorm.
Wednesday, July 8th, 2026
Overnight Temperature: 66°F
Clear.
Morning Temperature: 72°F
Sunny.
Afternoon Temperature: 82°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 76°F
Mostly clear. Chance of a thunderstorm.
Thursday, July 9th, 2026
Overnight Temperature: 69°F
Mostly clear.
Morning Temperature: 76°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 86°F
Mostly sunny with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 80°F
A mix of clear and cloudy skies with showers likely. Chance of a thunderstorm.
Friday, July 10th, 2026
Overnight Temperature: 71°F
A mix of clear and cloudy skies with a few showers. Chance of a thunderstorm.
Morning Temperature: 75°F
A mix of cloud and sun with showers likely. Chance of a thunderstorm.
Afternoon Temperature: 83°F
A mix of sun and cloud with a slight chance of showers or thundershowers.
Evening Temperature: 79°F
Clear with cloudy periods with a chance of showers or thundershowers.
Saturday, July 11th, 2026
Overnight Temperature: 74°F
Mostly clear with a chance of showers or thundershowers.
Morning Temperature: 73°F
Mostly cloudy with a chance of showers. Slight chance of a thunderstorm. Windy.
Afternoon Temperature: 79°F
A mix of cloud and sun with a few showers. Chance of a thunderstorm. Windy at times.
Evening Temperature: 71°F
A mix of clear and cloudy skies with a few showers. Windy at times.
Sunday, July 12th, 2026
Overnight Temperature: 67°F
Clear with a slight chance of showers.
Morning Temperature: 74°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 84°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 79°F
Clear. Chance of a thunderstorm.
Monday, July 13th, 2026
Overnight Temperature: 74°F
Clear. Chance of a thunderstorm.
Morning Temperature: 78°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 86°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 83°F
Clear. Chance of a thunderstorm. Windy at times.
Tuesday, July 14th, 2026
Overnight Temperature: 75°F
Clear. Chance of a thunderstorm.
Morning Temperature: 80°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 89°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 84°F
Clear. Chance of a thunderstorm. Windy at times.





 

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This WeatherCity Weather Forecast for Decatur, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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